Which one of the following is an important ferro-alloy?

Manganese ore

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Bauxite ore

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Iron ore

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Mica

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Solution

The correct option is A Manganese ore
Ferroalloys are alloys of iron that contain one or more other chemical elements. Manganese occurs as silvery grey in colour and is very hard and brittle in nature. It is always available in combination with iron, laterite and other minerals. Manganese in alloy form is an essential input in steel making and is one of the most important metals in an industrial economy

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